Hunt Club Mens Shirt Size XL Creme Plaid Button S/Sleeve Linen Cotton FLAW?

Hunt Club Size XL Creme Plaid Mens Button Shirt Short Sleeve Linen Cotton Blend FLAW? It looks like a spot in the last picture but I am thinking it is just part of the material. I didn't try to get it out. Please see approximate measurements in pictures. If the clothing is used it is cleaned and inspected per Poshmark's guidelines. Clothing is stored in a smoke and pet free environment. Although not new, I only sell quality merchandise so you will not be disappointed.